living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Arthropoda Siebold, 1848 - arthropods
           Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
             Subclass Copepoda H. Milne-Edwards, 1840 - copepods
               Order Calanoida Sars, 1903
                 Suborder Amphascandria see Order Calanoida Sars, 1903
                   Family Paracalanidae Giesbrecht, 1893
                     1 Genus Acrocalanus Giesbrecht, 1888
                     2 Genus Bestiola Andronov, 1972, nom. illeg. see Genus Bestiolina Andronov, 1991
                     3 Genus Delius Andronov, 1972, nom. illeg. see Genus Delibus F. Vives & A.A. Shmeleva, 2007
                     4 Genus Paracalanus Boeck, 1865
                     5 Genus Parvocalanus Andronov, 1970